import sys
import os
import logging
import re
import json
from typing import Dict, List, Any, Optional, Tuple
from decimal import Decimal

# 添加项目根路径到 sys.path
sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..'))

# 导入 MySQLUtil
from shared.utils.MySQLUtil import MySQLUtil

# 设置日志
logger = logging.getLogger(__name__)

def get_各学历及总体_课堂教学总体满意度(
    project_id: int,
    questionnaire_ids: List[int],
    product_code: Optional[str] = None,
    project_code: Optional[str] = None,
    region_code: Optional[str] = None,
    education: Optional[str] = None
) -> Dict[str, Any]:
    """
    各学历及总体，课堂教学总体满意度 - 指标计算函数
    
    ## 指标说明
    该指标用于计算学生对课堂教学的总体满意度。通过统计问卷中特定问题的回答情况，计算选择前3项（很符合、符合、基本符合）的人数占全部5项（排除无法评价）回答人数的比例。
    
    ## Args
        project_id (int): 项目ID，用于查询项目配置信息
        questionnaire_ids (List[int]): 问卷ID集合，用于确定数据范围
        product_code (Optional[str]): 产品编码，用于路由到特定计算逻辑
        project_code (Optional[str]): 项目编码，用于路由到特定计算逻辑
        region_code (Optional[str]): 区域编码，用于路由到特定计算逻辑
        education (Optional[str]): 学历筛选条件，可选值为[本科毕业生，专科毕业生，硕士研究生，博士研究生]
        
    ## 示例
    ### 输入
    ```json
    {
        "project_id": 5895,
        "questionnaire_ids": [11158, 11159]
    }
    ```
    
    ### 输出
    ```json
    {
        "success": true,
        "message": "ok", 
        "code": 0,
        "result": [
            {
                "calcVals": [
                    {
                        "val": [
                            {
                                "key": "本科毕业生",
                                "val": "0.9649"
                            },
                            {
                                "key": "总体",
                                "val": "0.9523"
                            }
                        ]
                    }
                ]
            }
        ]
    }
    ```
    """
    logger.info(f"开始计算指标: 各学历及总体，课堂教学总体满意度, 项目ID: {project_id}")
    
    try:
        db = MySQLUtil()  

        # 1. 查询项目配置信息
        project_sql = """
        SELECT client_code, item_year, dy_target_items, split_tb_paper 
        FROM client_item 
        WHERE id = %s
        """
        project_info = db.fetchone(project_sql, (project_id,))
        if not project_info:
            raise ValueError(f"未找到项目ID={project_id}的配置信息")

        client_code = project_info['client_code']
        item_year = project_info['item_year']
        split_tb_paper = project_info['split_tb_paper']
        
        logger.info(f"项目配置: client_code={client_code}, item_year={item_year}, split_tb_paper={split_tb_paper}")

        # 2. 计算 shard_tb_key
        shard_tb_key = re.sub(r'^[A-Za-z]*0*', '', client_code)
        logger.info(f"计算得到 shard_tb_key: {shard_tb_key}")

        # 3. 查询问卷信息
        questionnaire_sql = f"""
        SELECT id, dy_target 
        FROM wt_template_customer 
        WHERE id IN ({','.join(['%s'] * len(questionnaire_ids))})
        """
        questionnaires = db.fetchall(questionnaire_sql, tuple(questionnaire_ids))
        if not questionnaires:
            raise ValueError(f"未找到问卷ID集合={questionnaire_ids}的配置信息")
        
        logger.info(f"查询到问卷信息: {questionnaires}")

        # 4. 过滤特定调研对象的问卷
        valid_questionnaire_ids = [q['id'] for q in questionnaires if q['dy_target'] == 'GRADUATE_SHORT']
        if not valid_questionnaire_ids:
            raise ValueError("未找到目标调研对象的问卷ID")
            
        logger.info(f"找到有效问卷ID: {valid_questionnaire_ids}")

        # 5. 查询问题信息
        question_sql = f"""
        SELECT id, wt_code, wt_obj 
        FROM wt_template_question_customer 
        WHERE cd_template_id IN ({','.join(['%s'] * len(valid_questionnaire_ids))}) 
        AND wt_code IN ('T00000573','T00000410','T00000411','T00000412','T00000413') 
        AND is_del = 0
        """
        questions = db.fetchall(question_sql, tuple(valid_questionnaire_ids))
        if not questions:
            raise ValueError("未找到指定问题编码的问题信息")
            
        logger.info(f"找到问题信息: {[q['id'] for q in questions]}")

        # 6. 构建动态表名
        answer_table = f"re_dy_paper_answer_{split_tb_paper}"
        student_table = f"dim_client_target_baseinfo_student_{item_year}"

        # 7. 定义学历列表
        educations = ['本科毕业生', '专科毕业生', '硕士研究生', '博士研究生']
        if education and education not in educations:
            raise ValueError(f"学历参数必须为以下值之一: {educations}")

        # 8. 计算各学历及总体满意度
        results = []
        question_ids = [str(q['id']) for q in questions]
        
        # 8.1 如果指定了学历，只计算该学历
        if education:
            sql = f"""
            SELECT
                (SUM(t1.c1) + SUM(t1.c2) + SUM(t1.c3)) / 
                (SUM(t1.c1) + SUM(t1.c2) + SUM(t1.c3) + SUM(t1.c4) + SUM(t1.c5)) AS ratio
            FROM {answer_table} t1
            JOIN {student_table} s ON t1.target_no = s.target_no
            WHERE
                t1.cd_template_id IN ({','.join(['%s'] * len(valid_questionnaire_ids))})
                AND t1.wid IN ({','.join(['%s'] * len(question_ids))})
                AND t1.ans_true = 1
                AND s.shard_tb_key = %s
                AND s.item_year = %s
                AND s.education = %s
            """
            params = tuple(valid_questionnaire_ids + question_ids + [shard_tb_key, item_year, education])
            
            result = db.fetchone(sql, params)
            if result and result['ratio'] is not None:
                ratio = float(Decimal(result['ratio']).quantize(Decimal('0.0001')))
                results.append({
                    "key": education,
                    "val": f"{ratio:.4f}"
                })
        else:
            # 8.2 如果没有指定学历，计算所有学历和总体
            for edu in educations:
                sql = f"""
                SELECT
                    (SUM(t1.c1) + SUM(t1.c2) + SUM(t1.c3)) / 
                    (SUM(t1.c1) + SUM(t1.c2) + SUM(t1.c3) + SUM(t1.c4) + SUM(t1.c5)) AS ratio
                FROM {answer_table} t1
                JOIN {student_table} s ON t1.target_no = s.target_no
                WHERE
                    t1.cd_template_id IN ({','.join(['%s'] * len(valid_questionnaire_ids))})
                    AND t1.wid IN ({','.join(['%s'] * len(question_ids))})
                    AND t1.ans_true = 1
                    AND s.shard_tb_key = %s
                    AND s.item_year = %s
                    AND s.education = %s
                """
                params = tuple(valid_questionnaire_ids + question_ids + [shard_tb_key, item_year, edu])
                
                result = db.fetchone(sql, params)
                if result and result['ratio'] is not None:
                    ratio = float(Decimal(result['ratio']).quantize(Decimal('0.0001')))
                    results.append({
                        "key": edu,
                        "val": f"{ratio:.4f}"
                    })

            # 8.3 计算总体情况
            sql = f"""
            SELECT
                (SUM(t1.c1) + SUM(t1.c2) + SUM(t1.c3)) / 
                (SUM(t1.c1) + SUM(t1.c2) + SUM(t1.c3) + SUM(t1.c4) + SUM(t1.c5)) AS ratio
            FROM {answer_table} t1
            JOIN {student_table} s ON t1.target_no = s.target_no
            WHERE
                t1.cd_template_id IN ({','.join(['%s'] * len(valid_questionnaire_ids))})
                AND t1.wid IN ({','.join(['%s'] * len(question_ids))})
                AND t1.ans_true = 1
                AND s.shard_tb_key = %s
                AND s.item_year = %s
            """
            params = tuple(valid_questionnaire_ids + question_ids + [shard_tb_key, item_year])
            
            result = db.fetchone(sql, params)
            if result and result['ratio'] is not None:
                ratio = float(Decimal(result['ratio']).quantize(Decimal('0.0001')))
                results.append({
                    "key": "总体",
                    "val": f"{ratio:.4f}"
                })

        logger.info(f"指标 '各学历及总体，课堂教学总体满意度' 计算成功")
        return {
            "success": True,
            "message": "ok",
            "code": 0,
            "result": [{
                "calcVals": [{
                    "val": results
                }]
            }]
        }

    except Exception as e:
        logger.error(f"计算指标 '各学历及总体，课堂教学总体满意度' 时发生错误: {str(e)}", exc_info=True)
        return {
            "success": False,
            "message": f"数据获取失败: 各学历及总体，课堂教学总体满意度",
            "code": 500,
            "error": str(e)
        }